| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 276 | 
                                    
                                    70.2%
                                 | 
| 1 | Yes | 110 | 
                                    
                                    28%
                                 | 
| 888 | 7 | 
                                    
                                    1.8%
                                 | |
| Sysmiss | 4160 |